18736983

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 36

約数和(自身を含む): 29321760

約数和(自身を除く): 10584777

約数列:

[1, 3, 9, 19, 57, 73, 79, 171, 219, 237, 361, 657, 711, 1083, 1387, 1501, 3249, 4161, 4503, 5767, 12483, 13509, 17301, 26353, 28519, 51903, 79059, 85557, 109573, 237177, 256671, 328719, 986157, 2081887, 6245661, 18736983]

約数ペア:

[(1, 18736983), (3, 6245661), (9, 2081887), (19, 986157), (57, 328719), (73, 256671), (79, 237177), (171, 109573), (219, 85557), (237, 79059), (361, 51903), (657, 28519), (711, 26353), (1083, 17301), (1387, 13509), (1501, 12483), (3249, 5767), (4161, 4503)]